What are some examples of LINQ queries in C#?

What are some examples of LINQ queries in C#?

LINQ (Language Integrated Query) allows you to query collections in C#. Here are a few examples:

1. Filtering: var result = myList.Where(x => x.Age > 18);
2. Sorting: var sorted = myList.OrderBy(x => x.Name);
3. Projection: var names = myList.Select(x => x.Name);
4. Grouping: var grouped = myList.GroupBy(x => x.City);

Would you like to see more detailed examples?

Yes, can you explain the filtering example?

Sure! The filtering example myList.Where(x => x.Age > 18) retrieves all elements from myList where the Age property is greater than 18. The Where method takes a predicate (a function that returns true or false) and returns a new collection with the filtered results.

How does the Select method work?

The Select method projects each element of a collection into a new form. For example, myList.Select(x => x.Name) creates a new collection containing only the Name property of each element in myList. It's useful for transforming data.

Can you give an example of grouping?

Certainly! Using myList.GroupBy(x => x.City), you can group the elements of myList by the City property. This will return a collection of groups, where each group contains elements that share the same city.